/* TailwindCSS关键样式备用 */
.hidden { display: none; }
.flex { display: flex; }
.grid { display: grid; }
.block { display: block; }
.inline-block { display: inline-block; }

.w-full { width: 100%; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }

.bg-black { background-color: #000; }
.text-white { color: #fff; }
.text-gray-400 { color: rgba(156, 163, 175); }

.px-4 { padding-left: 1rem; padding-right: 1rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }

.rounded-full { border-radius: 9999px; }
.rounded-lg { border-radius: 0.5rem; }

.font-bold { font-weight: 700; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }

/* 添加更多必要的Tailwind样式... */